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RouterContext is always ECIES

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orignal 2021-09-05 11:16:41 -04:00
parent 76dca1b46b
commit 292fe94352
3 changed files with 18 additions and 44 deletions
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56
libi2pd/RouterContext.cpp
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@ -43,11 +43,8 @@ namespace i2p
m_Decryptor = m_Keys.CreateDecryptor (nullptr);
m_TunnelDecryptor = m_Keys.CreateDecryptor (nullptr);
UpdateRouterInfo ();
if (IsECIES ())
{
i2p::crypto::InitNoiseNState (m_InitialNoiseState, GetIdentity ()->GetEncryptionPublicKey ());
m_ECIESSession = std::make_shared<i2p::garlic::RouterIncomingRatchetSession>(m_InitialNoiseState);
}
i2p::crypto::InitNoiseNState (m_InitialNoiseState, GetIdentity ()->GetEncryptionPublicKey ());
m_ECIESSession = std::make_shared<i2p::garlic::RouterIncomingRatchetSession>(m_InitialNoiseState);
}
void RouterContext::CreateNewRouter ()
@ -833,27 +830,22 @@ namespace i2p
void RouterContext::ProcessGarlicMessage (std::shared_ptr<I2NPMessage> msg)
{
std::unique_lock<std::mutex> l(m_GarlicMutex);
if (IsECIES ())
uint8_t * buf = msg->GetPayload ();
uint32_t len = bufbe32toh (buf);
if (len > msg->GetLength ())
{
uint8_t * buf = msg->GetPayload ();
uint32_t len = bufbe32toh (buf);
if (len > msg->GetLength ())
{
LogPrint (eLogWarning, "Router: garlic message length ", len, " exceeds I2NP message length ", msg->GetLength ());
return;
}
buf += 4;
if (!HandleECIESx25519TagMessage (buf, len)) // try tag first
{
// then Noise_N one-time decryption
if (m_ECIESSession)
m_ECIESSession->HandleNextMessage (buf, len);
else
LogPrint (eLogError, "Router: Session is not set for ECIES router");
}
LogPrint (eLogWarning, "Router: garlic message length ", len, " exceeds I2NP message length ", msg->GetLength ());
return;
}
else
i2p::garlic::GarlicDestination::ProcessGarlicMessage (msg);
buf += 4;
if (!HandleECIESx25519TagMessage (buf, len)) // try tag first
{
// then Noise_N one-time decryption
if (m_ECIESSession)
m_ECIESSession->HandleNextMessage (buf, len);
else
LogPrint (eLogError, "Router: Session is not set for ECIES router");
}
}
void RouterContext::ProcessDeliveryStatusMessage (std::shared_ptr<I2NPMessage> msg)
@ -885,13 +877,7 @@ namespace i2p
bool RouterContext::DecryptTunnelBuildRecord (const uint8_t * encrypted, uint8_t * data)
{
if (IsECIES ())
return DecryptECIESTunnelBuildRecord (encrypted, data, ECIES_BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE);
else
{
LogPrint (eLogError, "Router: Non-ECIES router is not longer supported");
return false;
}
return DecryptECIESTunnelBuildRecord (encrypted, data, ECIES_BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE);
}
bool RouterContext::DecryptECIESTunnelBuildRecord (const uint8_t * encrypted, uint8_t * data, size_t clearTextSize)
@ -921,13 +907,7 @@ namespace i2p
bool RouterContext::DecryptTunnelShortRequestRecord (const uint8_t * encrypted, uint8_t * data)
{
if (IsECIES ())
return DecryptECIESTunnelBuildRecord (encrypted, data, SHORT_REQUEST_RECORD_CLEAR_TEXT_SIZE);
else
{
LogPrint (eLogError, "Router: Can't decrypt short request record on non-ECIES router");
return false;
}
return DecryptECIESTunnelBuildRecord (encrypted, data, SHORT_REQUEST_RECORD_CLEAR_TEXT_SIZE);
}
i2p::crypto::X25519Keys& RouterContext::GetStaticKeys ()